mirror of
https://github.com/JvanKatwijk/dabradio
synced 2025-10-06 00:02:49 +02:00
133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
#
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/*
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* Copyright (C) 2014 .. 2017
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* Jan van Katwijk (J.vanKatwijk@gmail.com)
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* Lazy Chair Computing
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*
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* This file is part of the Qt-DAB
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* Many of the ideas as implemented in Qt-DAB are derived from
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* other work, made available through the GNU general Public License.
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* All copyrights of the original authors are recognized.
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*
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* Qt-DAB is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Qt-DAB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Qt-DAB; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __RTLSDR_HANDLER__
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#define __RTLSDR_HANDLER__
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#include <QObject>
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#include <QSettings>
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#include <stdio.h>
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#include "dab-constants.h"
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#include "virtual-input.h"
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#include "ringbuffer.h"
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#include "ui_rtlsdr-widget.h"
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class dll_driver;
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//
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// create typedefs for the library functions
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typedef struct rtlsdr_dev rtlsdr_dev_t;
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extern "C" {
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typedef void (*rtlsdr_read_async_cb_t) (uint8_t *buf, uint32_t len, void *ctx);
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typedef int (* pfnrtlsdr_open )(rtlsdr_dev_t **, uint32_t);
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typedef int (* pfnrtlsdr_close) (rtlsdr_dev_t *);
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typedef int (* pfnrtlsdr_set_center_freq) (rtlsdr_dev_t *, uint32_t);
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typedef uint32_t (* pfnrtlsdr_get_center_freq) (rtlsdr_dev_t *);
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typedef int (* pfnrtlsdr_get_tuner_gains) (rtlsdr_dev_t *, int *);
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typedef int (* pfnrtlsdr_set_tuner_gain_mode) (rtlsdr_dev_t *, int);
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typedef int (* pfnrtlsdr_set_agc_mode) (rtlsdr_dev_t *, int);
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typedef int (* pfnrtlsdr_set_sample_rate) (rtlsdr_dev_t *, uint32_t);
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typedef int (* pfnrtlsdr_get_sample_rate) (rtlsdr_dev_t *);
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typedef int (* pfnrtlsdr_set_tuner_gain) (rtlsdr_dev_t *, int);
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typedef int (* pfnrtlsdr_get_tuner_gain) (rtlsdr_dev_t *);
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typedef int (* pfnrtlsdr_reset_buffer) (rtlsdr_dev_t *);
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typedef int (* pfnrtlsdr_read_async) (rtlsdr_dev_t *,
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rtlsdr_read_async_cb_t,
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void *,
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uint32_t,
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uint32_t);
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typedef int (* pfnrtlsdr_cancel_async) (rtlsdr_dev_t *);
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typedef int (* pfnrtlsdr_set_direct_sampling) (rtlsdr_dev_t *, int);
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typedef uint32_t (* pfnrtlsdr_get_device_count) (void);
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typedef int (* pfnrtlsdr_set_freq_correction)(rtlsdr_dev_t *, int);
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typedef char *(* pfnrtlsdr_get_device_name)(int);
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}
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// This class is a simple wrapper around the
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// rtlsdr library that is read in as dll (or .so file in linux)
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// It does not do any processing
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class rtlsdrHandler: public virtualInput, public Ui_dabstickWidget {
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Q_OBJECT
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public:
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rtlsdrHandler (QSettings *);
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~rtlsdrHandler (void);
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void setVFOFrequency (int32_t);
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int32_t getVFOFrequency (void);
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// interface to the reader
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bool restartReader (void);
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void stopReader (void);
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int32_t getSamples (std::complex<float> *, int32_t);
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int32_t Samples (void);
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void resetBuffer (void);
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int16_t maxGain (void);
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int16_t bitDepth (void);
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//
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// These need to be visible for the separate usb handling thread
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RingBuffer<uint8_t> *_I_Buffer;
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pfnrtlsdr_read_async rtlsdr_read_async;
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struct rtlsdr_dev *device;
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private:
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QFrame *myFrame;
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QSettings *rtlsdrSettings;
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int32_t inputRate;
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int32_t deviceCount;
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HINSTANCE Handle;
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dll_driver *workerHandle;
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int32_t lastFrequency;
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bool libraryLoaded;
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bool open;
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int *gains;
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int16_t gainsCount;
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bool dumping;
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FILE *dumpfilePointer;
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// here we need to load functions from the dll
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bool load_rtlFunctions (void);
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pfnrtlsdr_open rtlsdr_open;
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pfnrtlsdr_close rtlsdr_close;
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pfnrtlsdr_set_center_freq rtlsdr_set_center_freq;
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pfnrtlsdr_get_center_freq rtlsdr_get_center_freq;
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pfnrtlsdr_get_tuner_gains rtlsdr_get_tuner_gains;
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pfnrtlsdr_set_tuner_gain_mode rtlsdr_set_tuner_gain_mode;
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pfnrtlsdr_set_agc_mode rtlsdr_set_agc_mode;
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pfnrtlsdr_set_sample_rate rtlsdr_set_sample_rate;
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pfnrtlsdr_get_sample_rate rtlsdr_get_sample_rate;
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pfnrtlsdr_set_tuner_gain rtlsdr_set_tuner_gain;
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pfnrtlsdr_get_tuner_gain rtlsdr_get_tuner_gain;
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pfnrtlsdr_reset_buffer rtlsdr_reset_buffer;
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pfnrtlsdr_cancel_async rtlsdr_cancel_async;
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pfnrtlsdr_set_direct_sampling rtlsdr_set_direct_sampling;
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pfnrtlsdr_get_device_count rtlsdr_get_device_count;
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pfnrtlsdr_set_freq_correction rtlsdr_set_freq_correction;
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pfnrtlsdr_get_device_name rtlsdr_get_device_name;
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private slots:
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void set_ExternalGain (const QString &);
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void set_autogain (const QString &);
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void set_ppmCorrection (int);
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void set_KhzOffset (int);
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void dumpButton_pressed (void);
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};
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#endif
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